package jdbc;

import sun.net.ConnectionResetException;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args){
        try (Connection connection = DBUtil.getConnection())
        {
        Statement statement = connection.createStatement();
        String sql = "UPDATE userinfo " +
                     "SET password='88888' " +
                     "WHERE username='王克晶'" ;
        int num = statement.executeUpdate(sql);
        if (num>0){
            System.out.println("修改成功");
        }else {
            System.out.println("修改失败");
        }
        }catch (SQLException e){
            e.printStackTrace();
        }
    }
}